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Close Your name Your email Suggestion*public int realtimeLightmapIndex;
DescriptionThe index of the real-time lightmap applied to this renderer.
A value of -1 (0xFFFF) means no lightmap has been assigned, which is the default. A value of 0xFFFE is internally used for objects that have their scale in lightmap set to 0; they affect lightmaps, but don't have a lightmap assigned themselves. The index is 16 bits internally and can't be larger than 65533 (0xFFFD).
Note: this property is only serialized when building the player. In all the other cases it's the responsibility of the Unity lightmapping system (or a custom script that brings external lightmapping data) to set it when the Scene loads or playmode is entered.
A lightmap is a texture atlas and multiple Renderers can use different portions of the same lightmap.
Additional resources: LightmapSettings class, lightmapIndex, lightmapScaleOffset property, ShaderLab properties.
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